<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>作业1 - 课程计划表</title>
    <style>
        h2 {
            text-align: center;
        }

        table {
            border-collapse: collapse;
            margin: 0 auto;
        }

        table, tr, th {
            border: 1px solid black;
        }

        td {
            text-align: center;
        }
    </style>
</head>
<body>
    <h2>课程计划表</h2>
    <table>
        <tr>
            <th rowspan="3">课表</th>
            <th colspan="5">上课</th>
            <th colspan="2">休息</th>
        </tr>
        <tr>
            <th>星期一</th>
            <th>星期二</th>
            <th>星期三</th>
            <th>星期四</th>
            <th>星期五</th>
            <th>星期六</th>
            <th>星期日</th>
        </tr>
        <tr>
            <th>计算机</th>
            <th>计算机</th>
            <th>计算机</th>
            <th>计算机</th>
            <th>计算机</th>
            <th>复习</th>
            <th>休息</th>
        </tr>
    </table>
</body>
</html>